.net - MVC - Use Different Controller Under Specific Circumstances?
Dec 9, 2010
I have a Customer controller that deals with customer products, information and what not. Some products have specialisations that I want handle slightly differently so need a process of doing that. Currently I have hard coded in if statements to see if a customer has that product or not, and if it has, it'll add the extra navigation elements etc.
What I think might be a better way is to have a Controller that inherits off my customer controller but adds the extra functionality. It'd then be pretty nifty if I could, upon receiving the request, check which Customer derived controller has a function that matches the request i.e. ViewSpecialProduct and then invokes that as opposed to the vanilla customer controller.
Are there easier ways? If not how do I accomplish the above? I don't know enough about routes and the controller initialisation process yet.
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Jun 11, 2010
I was under the impression that TempData was only persisted across one action but I am seem to be seeing the behaviour that it is persisted across one action only on the same controller.For example in a single controller if I do the following in my Event Controller,
TempData("test") = "Moo"
And then after displaying a view I then move to a new action (either by a GET or POST or redirect) I can read back the data,
TempData("test") = "Moo"
If I then move on to another action (either by a GET or POST or redirect) and check for TempData("test") I should get Nothing.However I have just tried this with two controllers and I get a very bizarre problem.For example on my first Controller, called Event Controller I set the TempData("test") = "Moo".I then move to an action on a second controller called Main Controller. I read back TempData("test") and find "Moo" as the result which is to be expected. I then perform some sort of task and a new GET, POST or Redirect request is made back to the Event Controller.
At this point I am expecting TempData("test") to be nothing, since I have already passed it to an action once already. However when I test this I am actually getting TempData("test") = "Moo" which I thought was not the expected behaviour, since in effect it would be like using Session("test) instead.
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May 25, 2010
My view has a number of rows.
Each row has a drop down, a text box and an "add" link. I'd like for someone to select something in the drop down, edit something in the text box and pass that information to an Action in the Controller.
I know i can do something like this:
[Code]....
[Code]....
Which is kind of gross - id like to do just call one action, that passes the selected drop down value, the textbox value and call just the one action, is it possible to do something like this:
[Code]....
Where i pass the Dropdownlist selection and the textbox value to my controller specifically
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Jun 25, 2010
For example:
[Code]....
When I run this the error is 'Invalid column name 'assigned'.'Yet if I load up Microsoft sql server management studio and run the query against the same db:
[Code]....
I get the data I was expecting and the column does exist?
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Aug 26, 2010
Curious what the best practice is for returning errors to a view from a controller where the error isn't really a validation error, but more like "user not found" or "service timeout" type of errors. (in ASP.NET MVC2 framework)
I've been adding them to the ModelState's model errors, but that doesn't seem appropriate. (although easy to implement and maintain)
Example - A user tries to log in, and their credentials do not match a known user.
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Mar 29, 2010
Is it correct to implement my caching object like this in my controller :
[code]....
And I Use it like this :
[code]....
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Dec 28, 2010
UML and Patterns: An Introduction to Object-Oriented Analysis and Design and Iterative Development, that follows the UP(Unified Process). It uses a Grasp Controller pattern to interact with domain classes by some methods like NewSale(), AddNewItemToSale() and CloseSale. In windows form, I can instantiate a object of this class in the UI and then use its methods to perform the actions. This works well in Client apps, but when I use asp.net mvc, I cannot find a way to instantiate an object (one for each user) that was always visible for a Controller (MVC). I cannot insert as an attribute inside Controller because it always create a new one.
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Nov 6, 2010
my MVC2 delete and only my delete controller is refusing to return any class information. Its really similar to my edit function and the views are all auto-generated so I don't see the problem.
Function Delete(ByVal id As Integer) As ActionResult
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Aug 16, 2010
I have a simple model where a Person has Gifts. I have a view which is a list of Gifts belonging to one Person.
My problem is with the Create action for a new Gift. I want it to default to the PersonID that we are already viewing the list of Gifts for. I tried simply passing the last PersonID (they are all the same)
Html.ActionLink("Create New", "Create", new { id = Model.Last().PersonID }) which works fine if there is already at least one Gift for that person but if this is the first Gift I don't have a value.
My Gift List controller knows the PersonID I want to pass but the view doesn't.
How do I pass this PersonID from my Gift List controller to my Gift Create controller via the Gift List view? Or is there a better way to do this?
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May 30, 2010
I have a filter on my MVC web site. I display some records in a few different controller actions but when moving from one action to another I want to apply those filter values.
How can I persist values from controller to controller?
Should I use Session? TempData?
I am using Structure Map for IOC.
Maybe I could have a class that contains a Property for each Session Value that I use in my application and inject it on the controllers that need session?
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Mar 14, 2011
How do you get the current action / controller name in a controller or class?
i can't show it in my view but that's not what i want.
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Mar 14, 2010
I am trying to figure out how to associate a specific user to a specific data on the site, like social networking site.
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Jun 7, 2010
I have function named (display)
I need to call this function (display) avery two second
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Feb 1, 2010
This is my Controller Action which takes a Page entity from database and shows it in the Show.aspx view using the "Site.Master" master page:
[Code]....
This is the "Show" view rendering "Page.Title" in the "MainContent" content placeholder:
[Code]....
And this is the "Site.Master"
[Code]....
Using this approach i can show "Page.Title" in Show.aspx using any master page that has a "MainContent" placeholder, but my real goal is if i can when i choose the MasterPage for that particular Page to also see a list of available ContentPlaceHolders and when i choose one to then render "Page.Title" in that particular ContentPlaceHolder.
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Dec 18, 2013
My application for "Members subscriptions registration" working online and different users using it.
Database type is Mssql Server 2008 R2, Size is around 1 Gb
What happen exactly there is specific record delete from table "Members" in random times, For example I add 100 new subscriptions with around 800 records and make confirm and checking next day find it loss 3 records find it deleted.
I checked all the applications no any delete query, I removed all delete query from application to make sure no any delete also I save any delete query happen in system inside table for log.
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Jul 22, 2010
C#: HomeController.vb: works fine HttpPost RsvpForm gets the object filled with user input.
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Mvc;using RsvpInC.Models; namespace RsvpInC.Controllers{ public class HomeController : Controller { //
[code]...
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Jan 24, 2011
I have a User entity and a department entity. I have a UserViewModel and DepartmentListModel which has List of departments.
UserViewModel has a property of type DepartmentListModel .
Now on user/create action I need to populate DepartmentListModel by calling DepartmentController's list action. List action returns populated DepartmentListViewModel.
From UserController how do I set DepartmentListModel ?
I tried doing so
[Code]....
But RedirectToAction returns RediretToRouteResult
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Apr 18, 2010
My Company registered in certain services on the Web and are relying on the company's Ip to use these services, Director asked me to allow some staff to enter these sites from outside the company,after authorized staff enter to comany's site, How could they use the company's Ip to allow them to browse services sites ? Do I need to use a method such as proxy sites like youtube proxy? or there is another way?How do I do this in asp.net?
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Apr 18, 2010
My Company registered in certain services on the Web and are relying on the company's IP to use these services, Director asked me to allow some staff to enter these sites from outside the company, after authorized staff enter to comany's site. How could they use the company's IP to allow them to browse services sites? Do I need to use a method such as proxy sites like youtube proxy? or there is another way?How do I do this in asp.net?
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Mar 11, 2010
Say I have several Areas that are baed on user roles.Differnet roles have different functionality, but also have some "shared" functionality like say "Payments"Now, I created a PaymentController (and it's views for listing, creating messages) in Shared (not an area) and it works fine.
Would it be possible (and how?) to create a PaymentsController class in one of the Areas, have that inherit the PaymentController Class in Shared?
If I can do this, I can successfully share common functionality across areas, and at the same time extend the derived controller to include some 'area specific' functionality to common shared controllers. (Such as the "REturn to xxxx" text and route of the returnurl, which are a bit more complicated than I just made it sound)
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Jan 19, 2011
How can i transfer control to a controller's method from a controller's method..I am having two Controllers Home and User.. After username and password are verified inHome Controllers method , i want to show the User Controllers index page , so i have to callindex method of Home controller..How can i do it.
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Nov 20, 2010
I have a View:
<div class="editor-field" id = "nick">Nick <%: Html.TextBoxFor(model => model.Nick)%><img src="/Content/Images/loading.gif" alt = "loading...."/>
<%: Ajax.ActionLink("Check", "Check", new AjaxOptions { UpdateTargetId = "check-valid", LoadingElementId = "loading"})%>
</div>
I used: Nick = ViewData.Model.Nick in ActionLink as below, but I cannot get value of Nick from View.
<%: Ajax.ActionLink("Check", "Check", new {Nick = ViewData.Model.Nick}, new AjaxOptions { UpdateTargetId = "check-valid", LoadingElementId = "loading"})%>
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Sep 24, 2010
I have an edit application view, and it can be found at the following URL:
http://localhost:17262/Application/EditApplication/1
1 equals the application ID.
Also on the page I have a link that goes to another view to add an assistant for the application. I want to pass it the application ID so that the new assistant can be "linked" to this application. How would I get the value of 1 and add it to my action link? This is what I have in my HTML so far:
<%: Html.ActionLink("Add New Assistant", "Create", "Assistant", new { applicationID = "id" }, null) %>
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Mar 13, 2010
I've added some custom properties via the <profile> node in the web.config. In a view, I can access the custom properties using <%= Html.Encode(Profile.CustomProperty) %> so I know the class is being automatically generated. However, in the Controller, the ProfileCommon just doesn't exist. Do I need to include a specific namespace for this to work or is it simply not supported?
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Mar 21, 2011
I cant get to directcontroller url (I have change the routing so it will fit into my paging system but I cant fit it also to get the controller url without action (I can gethttp://localhost:51443/home/inde )but I would like to get also "clean" url like http://localhost:51443/home
[Code]...
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